Replacing The Seals - GEM 798 Operating Instructions Manual

16.2.1 Removing the actuator
closed
zu
1. Disconnect the actuator from the power supply.
2. Remove the protective caps 30.
3. Unscrew the hexagon screws 32.
4. Do not lose the washers 31.
5. The actuator A can be removed from the ball valve body.
16.2.2 Mounting the actuator
closed
zu
1. Push the new actuator A onto the ball valve body.
2. Turn the actuator until the hexagon screws 32 can be in-
serted.
3. Tighten the hexagon screws 32 with their washers 31 until
hand tight.
4. Diagonally tighten the hexagon screws 32 evenly until
they are hand tight.
5. Put the protective caps 30 back on.
6. Reconnect the actuator to the power supply.
www.gemu-group.com
open
A
offen
31
32
30
A
open
offen
31
32
30
45 / 51

16.3 Replacing the seals

Only use genuine GEMÜ spare parts.
●
When ordering spare parts, specify the complete order
●
number of the ball valve.
1. Remove actuator (see chapter "Removing the actuator").
2. Bend the tab 12 of the screw locking device downwards.
3. Loosen spindle nut 13 and remove.
4. Remove screw locking device 12.
5. Remove spring washers 11.
6. Remove stainless steel sleeve 10.
16 Inspection/servicing
NOTICE
12
13
12
11
10
GEMÜ 798